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Accumulated Other Comprehensive Loss (Details Textual) (Series A Preferred Stock [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012
Series A Preferred Stock [Member]
Accumulated Other Comprehensive Loss (Textual) [Abstract]
Employee benefit-related adjustments tax portion	$ 2,512	$ 2,512

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- Definition

Accumulated other comprehensive income loss defined benefit pension and other postretirement plans tax portion.

+ References

No definition available.

+ Details

Name:	sypr_AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansTaxPortion
Namespace Prefix:	sypr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- Details

Name:	sypr_AccumulatedOtherComprehensiveLossTextualAbstract
Namespace Prefix:	sypr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration